const path = require('path')
const defaultSettings = require('./src/settings.js')
const { defineConfig } = require('@vue/cli-service')

// webpack plugins
// const HtmlWebpackPlugin = require('html-webpack-plugin')
// const HtmlInlineScriptPlugin = require('html-inline-script-webpack-plugin')

function resolve(dir) {
  return path.join(__dirname, dir)
}

const name = defaultSettings.title || '疫情数据分析可视化平台' // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following methods:
// port = 9528 npm run dev OR npm run dev --port = 9528
const port = process.env.port || process.env.npm_config_port || 9528 // dev port

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = defineConfig({
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/' !!!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  publicPath: './',
  outputDir: 'dist',
  assetsDir: 'static',
  // lintOnSave: false,
  transpileDependencies: true,
  devServer: {
    port: port,
    open: false,
    hot: true,
    // overlay: {
    //  warnings: false,
    //  errors: true
    // },
    client: {
      logging: 'info',
      overlay: {
        errors: true,
        warnings: false
      }
    },
    proxy: {
      // change xxx-api/login => mock/login
      // detail: https://cli.vuejs.org/config/#devserver-proxy
      [process.env.VUE_APP_BASE_API]: {
        target: `http://127.0.0.1:${port}/mock`,
        changeOrigin: true,
        pathRewrite: {
          ['^' + process.env.VUE_APP_BASE_API]: ''
        }
      }
    },
    onAfterSetupMiddleware: require('./mock/mock-server.js')
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,
    resolve: {
      alias: {
        '@': resolve('src')
      },
      fallback: { path: require.resolve('path-browserify') }
    },
    cache: {
      type: 'filesystem'
    },
    target: 'web',
    watchOptions: {
      // ignored: '/node_modules/',
      poll: 1000 // Check for changes every second
    },
    plugins: [
      /*
      new HtmlWebpackPlugin({
        filename: './public/index.html',
        title: name
      }),
      */
      // new HtmlInlineScriptPlugin({
      //  scriptMatchPattern: []
      // })
    ]
    // externalsPresets: { node: true }
  },
  chainWebpack(config) {
    // config.plugins.delete('preload') // TODO: need test
    // config.plugins.delete('prefetch') // TODO: need test

    // set svg-sprite-loader
    config.module.rule('svg').exclude.add(resolve('src/icons')).end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap((options) => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development', (config) =>
        config.devtool('cheap-source-map')
      )

    config.when(process.env.NODE_ENV !== 'development', (config) => {
      config
        .plugin('HtmlInlineScriptPlugin')
        .after('html')
        .use('html-inline-script-webpack-plugin', [
          {
            // `runtime` must same as runtimeChunk name. default is `runtime`
            htmlMatchPattern: [/runtime\..*\.js$/]
          }
        ])
        .end()
      config.optimization.splitChunks({
        chunks: 'all',
        cacheGroups: {
          libs: {
            name: 'chunk-libs',
            test: /[\\/]node_modules[\\/]/,
            priority: 10,
            chunks: 'initial' // only package third parties that are initially dependent
          },
          elementUI: {
            name: 'chunk-elementUI', // split elementUI into a single package
            priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
            test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
          },
          commons: {
            name: 'chunk-commons',
            test: resolve('src/components'), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true
          }
        }
      })
      config.optimization.runtimeChunk('single')
    })
  }
})
